Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-04-2024 01:24

General

  • Target

    c945147ee06fffd81cc1e08c816585a3a000bfe59445ddfac439c19ca75b0df4.exe

  • Size

    1.3MB

  • MD5

    4bfab2a3f499cf756a71c8122a2a76cf

  • SHA1

    34d627c279a7442411dcd4aa012c8eb9b2051d7d

  • SHA256

    c945147ee06fffd81cc1e08c816585a3a000bfe59445ddfac439c19ca75b0df4

  • SHA512

    8af695f2837ff191d38ba7c881f866e5a9d8d70aa92d21d7f79446c2aaab8879c397de8d1daad6a08c270b98628ac5d3e685f3290868aef8e37683d336b2417e

  • SSDEEP

    24576:VuQvdg5zMMmASE08tpUQ0abZG+0YVwy/JAFwRjW54WInUmwKIurYm658egw:DVyzMISb8teQ0abZYYVwy/owRjYBInUf

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 17 IoCs
  • UPX dump on OEP (original entry point) 19 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c945147ee06fffd81cc1e08c816585a3a000bfe59445ddfac439c19ca75b0df4.exe
    "C:\Users\Admin\AppData\Local\Temp\c945147ee06fffd81cc1e08c816585a3a000bfe59445ddfac439c19ca75b0df4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1704
    • C:\Users\Admin\AppData\Local\Temp\c945147ee06fffd81cc1e08c816585a3a000bfe59445ddfac439c19ca75b0df4.exe
      "C:\Users\Admin\AppData\Local\Temp\c945147ee06fffd81cc1e08c816585a3a000bfe59445ddfac439c19ca75b0df4.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3120
      • C:\Users\Admin\AppData\Local\Temp\c945147ee06fffd81cc1e08c816585a3a000bfe59445ddfac439c19ca75b0df4.exe
        "C:\Users\Admin\AppData\Local\Temp\c945147ee06fffd81cc1e08c816585a3a000bfe59445ddfac439c19ca75b0df4.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\nude hidden .mpeg.exe

    Filesize

    1.6MB

    MD5

    4bdc68230765d590d610f21d99566faa

    SHA1

    1aba658d413a5f245ae6fd48928d85a198b82d40

    SHA256

    b9fd6355d34f3b2cdd2fb56dcb5689fe957d78b09c5238f1a912775fe88e75ea

    SHA512

    8bd47e5ff4cd9eeefa321d5297486e47e77bb09b0d8d5d263810732ae1849535ddb7cbbeb30921a531ebeb20d058e954f22ee255d2d6560ec6c4b9198670534c

  • memory/1704-204-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-223-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-211-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-214-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-207-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-189-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-194-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-235-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-232-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-185-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-217-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-220-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-229-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1704-226-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1936-166-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/1936-187-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3120-111-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB